A rare copperhead snake was reportedly spotted in Attleboro, Massachusetts. Here's what to know about the venomous species.

Using a photo from the city, the state herpetologist identified it as a northern watersnake, a much more common, nonvenomous snake. The post Report of rare, venomous snake in Mass. city likely ‘a case of misidentification,

It wasn't on Cape Cod, but the copperhead snake bit two dogs in Massachusetts outside its usual habitat. Here's how to identify it.